<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
  </head>

  <body>
    <div id="app">
      <h2 v-if="isShow">
        <div>abc</div>
        <div>abc</div>
        <div>abc</div>
        {{message}}
      </h2>
    </div>

    <script src="../js/vue.js"></script>
    <script>
      /* v-if 判断语句 */
      const app = new Vue({
        el: '#app',
        data: {
          message: '你好',
          isShow: true
        },
        methods: {}
      })
    </script>
  </body>
</html>
